Update duckdb index files

ig/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:ec836166dd5a43ed138d600ce28318094e278c572771515defa4e6066266f16c
-size 511717376
+oid sha256:5aa226130ef61f2983f34f7f4333fed03fe6188a6cb07abd724a9923251c4b08
+size 508833792